diff --git a/pkgs/development/python-modules/keystoneauth1/default.nix b/pkgs/development/python-modules/keystoneauth1/default.nix
index 17792723e4a3..130671360488 100644
--- a/pkgs/development/python-modules/keystoneauth1/default.nix
+++ b/pkgs/development/python-modules/keystoneauth1/default.nix
@@ -6,20 +6,21 @@
 
 buildPythonPackage rec {
   pname = "keystoneauth1";
-  version = "3.1.0";
+  version = "3.2.0";
   name = "${pname}-${version}";
   disabled = isPyPy; # a test fails
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "e5abfa8bbe866d52ca56afbe528d15214a60033cc1dc9804478cae7424f0f8fb";
+    sha256 = "0rg3harfyvai34lrjiqnl1crmvswjvj8nsviasnz4b9pcvp3d03n";
   };
 
   buildInputs = [ pbr testtools testresources testrepository mock
                   pep8 fixtures mox3 requests-mock ];
-  propagatedBuildInputs = [ iso8601 requests six stevedore
-                            webob oslo-config ];
+  propagatedBuildInputs = [ iso8601 requests six stevedore webob ];
 
+  # oslo_config is required but would create a circular dependency
+  doCheck = false;
   postPatch = ''
     sed -i 's@python@${python.interpreter}@' .testr.conf
     substituteInPlace requirements.txt --replace "argparse" ""
diff --git a/pkgs/development/python-modules/oslo-config/default.nix b/pkgs/development/python-modules/oslo-config/default.nix
index 51b2f0df75dc..0e77f9b65f9d 100644
--- a/pkgs/development/python-modules/oslo-config/default.nix
+++ b/pkgs/development/python-modules/oslo-config/default.nix
@@ -1,16 +1,17 @@
-{ buildPythonPackage, fetchPypi, pbr, six, netaddr, stevedore, mock }:
+{ buildPythonPackage, fetchPypi, pbr, six, netaddr, stevedore, mock,
+debtcollector, rfc3986, pyyaml, oslo-i18n }:
 
 buildPythonPackage rec {
   pname = "oslo.config";
-  version = "4.11.0";
+  version = "4.12.0";
   name = "${pname}-${version}";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1be8aaba466a3449fdb21ee8f7025b0d3d252c8c7568b8d5d05ceff58617cd05";
+    sha256 = "1pa9lajsadyq47bmxx12dxlcmnqsqlgnb55hwqas26lgnb2073dx";
   };
 
-  propagatedBuildInputs = [ pbr six netaddr stevedore ];
+  propagatedBuildInputs = [ pbr six netaddr stevedore debtcollector rfc3986 pyyaml oslo-i18n ];
   buildInputs = [ mock ];
 
   # TODO: circular import on oslo-i18n
@@ -20,6 +21,4 @@ buildPythonPackage rec {
     substituteInPlace requirements.txt --replace "argparse" ""
   '';
 
-  # Requires a bunch of new packages
-  meta.broken = true;
 }
diff --git a/pkgs/development/python-modules/requestsexceptions/default.nix b/pkgs/development/python-modules/requestsexceptions/default.nix
new file mode 100644
index 000000000000..35d723836c95
--- /dev/null
+++ b/pkgs/development/python-modules/requestsexceptions/default.nix
@@ -0,0 +1,27 @@
+{ lib, buildPythonPackage, fetchPypi, pbr }:
+
+buildPythonPackage rec {
+  pname = "requestsexceptions";
+  version = "1.3.0";
+  name = "${pname}-${version}";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0gim00vi7vfq16y8b9m1vpy01grqvrdrbh88jb98qx6n6sk1n54g";
+  };
+
+  propagatedBuildInputs = [ pbr ];
+
+  # upstream hacking package is not required for functional testing
+  patchPhase = ''
+    sed -i '/^hacking/d' test-requirements.txt
+  '';
+
+  meta = with lib; {
+    description = "Import exceptions from potentially bundled packages in requests.";
+    homepage = "https://pypi.python.org/pypi/requestsexceptions";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ makefu ];
+    patforms = platforms.all;
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index b3269b5230c6..d055af91fe45 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -14852,14 +14852,14 @@ in {
 
   oslo-i18n = buildPythonPackage rec {
     name = "oslo.i18n-${version}";
-    version = "2.7.0";
+    version = "3.18.0";
 
     src = pkgs.fetchurl {
       url = "mirror://pypi/o/oslo.i18n/${name}.tar.gz";
-      sha256 = "11jgcvj36g97awh7fpar4xxgwrvzfahq6rw7xxqac32ia790ylcz";
+      sha256 = "19w6wil588fgppc7d42fqkrjs0y81ap62svzbij8hlb3w2d4a91n";
     };
 
-    propagatedBuildInputs = with self; [ pbr Babel six oslo-config ];
+    propagatedBuildInputs = with self; [ pbr Babel six ];
     buildInputs = with self; [ mock coverage oslotest ];
     patchPhase = ''
       sed -i 's@python@${python.interpreter}@' .testr.conf
@@ -14870,11 +14870,11 @@ in {
 
   oslotest = buildPythonPackage rec {
     name = "oslotest-${version}";
-    version = "1.12.0";
+    version = "2.18.0";
 
     src = pkgs.fetchurl {
       url = "mirror://pypi/o/oslotest/${name}.tar.gz";
-      sha256 = "17i92hymw1dwmmb5yv90m2gam2x21mc960q1pr7bly93x49h8666";
+      sha256 = "0a0zhpb4yp7g6d290jk7a4pfci4ciwhsrqzhbwbl2szi50gp7km1";
     };
 
     patchPhase = ''
@@ -14882,28 +14882,27 @@ in {
     '';
 
     propagatedBuildInputs = with self; [ pbr fixtures subunit six testrepository
-      testscenarios testtools mock mox3 oslo-config os-client-config ];
+      os-client-config debtcollector testscenarios testtools mock mox3 os-client-config ];
   };
 
   os-client-config = buildPythonPackage rec {
     name = "os-client-config-${version}";
-    version = "1.8.1";
+    version = "1.28.0";
 
     src = pkgs.fetchurl {
       url = "mirror://pypi/o/os-client-config/${name}.tar.gz";
-      sha256 = "10hz4yp594mi1p7v1pvgsmx5w2rnb9y8d0jvb2lfv03ljnwzv8jz";
+      sha256 = "1f7q384b9drp3fqcg0w8aihv9k4idaay8vr3an187zjpgbx9rgp5";
     };
 
-    buildInputs = with self; [ pbr testtools testscenarios testrepository fixtures ];
-    propagatedBuildInputs = with self; [ appdirs pyyaml keystoneauth1 ];
+    # requires oslotest but is a dependency of that package ...
+    doCheck = false;
+
+    buildInputs = with self; [ pbr testtools testscenarios testrepository fixtures jsonschema ];
+    propagatedBuildInputs = with self; [ appdirs pyyaml keystoneauth1 requestsexceptions ];
 
     patchPhase = ''
       sed -i 's@python@${python.interpreter}@' .testr.conf
     '';
-    # TODO: circular import on oslotest
-    preCheck = ''
-      rm os_client_config/tests/{test_config,test_cloud_config,test_environ}.py
-    '';
   };
 
   keystoneauth1 = callPackage ../development/python-modules/keystoneauth1 {};
@@ -14927,38 +14926,42 @@ in {
 
   mox3 = buildPythonPackage rec {
     name = "mox3-${version}";
-    version = "0.11.0";
+    version = "0.23.0";
 
     src = pkgs.fetchurl {
       url = "mirror://pypi/m/mox3/${name}.tar.gz";
-      sha256 = "09dkgki21v5zqrx575h1aazxsq5akkv0a90z644bk1ry9a4zg1pn";
+      sha256 = "0q26sg0jasday52a7y0cch13l0ssjvr4yqnvswqxsinj1lv5ld88";
     };
 
     patchPhase = ''
       sed -i 's@python@${python.interpreter}@' .testr.conf
     '';
 
+    #  FAIL: mox3.tests.test_mox.RegexTest.testReprWithFlags
+    #  ValueError: cannot use LOCALE flag with a str pattern
+    doCheck = !isPy36;
+
     buildInputs = with self; [ subunit testrepository testtools six ];
     propagatedBuildInputs = with self; [ pbr fixtures ];
   };
 
   debtcollector = buildPythonPackage rec {
     name = "debtcollector-${version}";
-    version = "0.9.0";
+    version = "1.17.0";
 
     src = pkgs.fetchurl {
       url = "mirror://pypi/d/debtcollector/${name}.tar.gz";
-      sha256 = "1mvdxdrnwlgfqg26s5himkjq6f06r2khlrignx36kkbyaix6j9xb";
+      sha256 = "0rh47fd5kgjcdv9dxr7xf0x308cvfic3h2zk03ifvb4pdc5kbqvi";
     };
     patchPhase = ''
       sed -i 's@python@${python.interpreter}@' .testr.conf
     '';
 
     buildInputs = with self; [ pbr ];
-    propagatedBuildInputs = with self; [ wrapt Babel six doc8 ];
+    propagatedBuildInputs = with self; [ wrapt Babel six doc8 ] ++
+                              (optional (isPy26 || isPy27) funcsigs);
     checkInputs = with self; [ pbr Babel six wrapt testtools testscenarios
-       testrepository subunit coverage oslotest ];
-    doCheck = false; # oslo is broken
+                               testrepository subunit coverage ];
   };
 
   doc8 = callPackage ../development/python-modules/doc8 { };
@@ -18363,6 +18366,8 @@ in {
     };
   };
 
+  requestsexceptions = callPackage ../development/python-modules/requestsexceptions {};
+
   requests_ntlm = callPackage ../development/python-modules/requests_ntlm { };
 
   requests_oauthlib = callPackage ../development/python-modules/requests-oauthlib.nix { };